<template>
  <div id="app">
    <router-view></router-view>
  </div>
</template>

<style lang="less" scoped>
.bxo {
  width: 200px;
  height: 100px;
  background-color: aqua;
}
.bxo1 {
  width: 375px;
  height: 375px;
  background-color: red;
}
.bxo2 {
  width: 750;
  height: 750;
  background-color: yellowgreen;
}
</style>
